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# ====================================================================================
# Looping
# ====================================================================================
#
# Looping looks a whole lot different than other languages.
# But it's pretty awesome when you get used to it.
repl do
puts "* RUBY PRIMER: Loops"
end
# ====================================================================================
# times
# ====================================================================================
repl do
puts "** INFO: ~Numeric#times~ (for loop)"
3.times do |i|
puts i
end
end
# ====================================================================================
# foreach
# ====================================================================================
repl do
puts "** INFO: ~Array#each~ (for each loop)"
array = ["a", "b", "c", "d"]
array.each do |char|
puts char
end
puts "** INFO: ~Array#each_with_index~ (for each loop)"
array = ["a", "b", "c", "d"]
array.each do |char, i|
puts "index #{i}: #{char}"
end
end
# ====================================================================================
# ranges
# ====================================================================================
repl do
puts "** INFO: range block exclusive (three dots)"
(0...3).each do |i|
puts i
end
puts "** INFO: range block inclusive (two dots)"
(0..3).each do |i|
puts i
end
end
|
